LENCO L78 Operating Instructions

Hi-Fi Record Player
L78
Operating instructions
Features
The Lenco L 78 Record player is a precision instru-
ment of true Hi-Fi quality which will satisfy even the
most demanding music lover.
The instrument can be used for stereo as well as
monophonic listening.
The usual speeds of 167/s, 331/3, 45 and 78 RPM can
be pre-set in click-stops and the speed can also be
varied continuously from 30—86 RPM.
The light tonearm of the L 78 is a first-class example
of fine mechanical precision, and guarantees clear,
undistorted sound reproduction, with the greatest
possible protection for your records. The tonearm
is lowered onto the record by a hydraulically dam-
ped lowering device — thereby eliminating the pos-
sibility of record or needles being damaged whilst
putting the tonearm onto the record.
The unit is SEV, DEMKO, NEMKO, SEMKO and CSA
tested and approved.
Technical Description
The very silent 4-pole motor (44) is spring mounted
onto a rigid steel baseplate. The dynamically ba-
lanced turntable is made of die-cast zinc, and
weighs 4 kg.
The power is transmitted from the conical motor
shaft (43) to the turntable by a rubber covered idler
wheel (41). The speed is changed by moving the
idler wheel on the motor shaft.
The miniature ball-bearings fitted into the tonearm
allow for a free sideways movement, and the knife-
edge bearing keeps friction to a minimum.
An adjustable sliding weight (5) enables one to set
the stylus pressure exactly to suit the cartridge
being used. An automatic brake (23) comes into
operation when the turntable is switched off.
All tonearms can be supplied with the anti-skating
device (3, 28, 29).
Every L78 is supplied with a centre piece for re-
cords with a large centre hole, a stroboscope disc
for exact setting of speed, a stylus-adjusting gauge
for accurate setting of stylus overhang, a set of
shock-absorbing mounting supports and a cut ou!
template (only required for chassis model).
Unpacking the L 78
When unpacking check for possible damage. The
L78 is toroughly checked and tested before leav
ing the factory. Any damage which may have beer
caused during transport should be reported imme-
diately.
In this connection we would like to point out tha!
the upper part of the knife-edge balance has been
put into the lower part, i. e. it is held there only by
the weight of the arm. The resulting movemen'
which can be felt just above pedesta! spindle
when lifting the arm, is a normal and necessary
feature of this type of bearing and should not be
mistaken for a fault or damage.
Preparation for Use
The L78 is available on a wooden base, or as a
build-in model. To avoid damage of the turntable
spindle during transportation, the turntable is
packed separately in a cardboard sieeve.
Models mounted on a wooden base are delivered
fully assembled and can therefore be operated
without any difficulty. The build-in model must be
assembled on the spot, and the instructions on the
cut out template should be carefully followed. On
all models the spring-mounted motor (44) has beer
secured for transit. This has been done by means
of two red securing screws (18) on the baseplate
under the turntable and these should be losened
until the motor is freely sprung. The L78 is de-
signed for use with 220 V 50 Hz. A C mains but can
be supplied with a switchable motor for use on 115,
145 and 225 V mains.
To ensure perfect running, important bearing and
driving points should be cleaned if necessary be-
fore putting on the turntable. The important points
are: Turntable spindle, underside of turntable, mo-
tor shaft and the rubber surface of the idler whee
(41).
A clean, dry, non-fluffy cloth should be used for
cleaning. Only if oil or grease spots are present
should the cloth be sparingly sprinkled with methy-
lated spirits or carbon tetrachloride. (Benzine musi
not be used.) The turntable should now be placed
on the spindle and the rubber mat on the turntable.
Push the large, counterweight (1) on to the rear end
(30) of the pick-up.
Interchangeable Plug-in Heads
The L 78 is usually supplied with an empty plug-in
head, so that each user may select his own pick-up
cartridge. The empty plug-in head (11) is complete
with mounting screws for the popular, Internation-
ally standard cartridges. If various cartridges are